Natriumsulfid Na2S

Property Thin flakes, red, soluble in water, slightly soluble in alcohol, insoluble in ether, presents strong alkaline solution, easily oxidized when exposed to air, poison. Usage Mainly used in making sulfur dyestuff intermediates, reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making, and also widely used in pigment and rubber industry. Table 1 Spec150PPM200PPM250PPM300PPMNa2S (%) ≥50.050.050.050.0Na2CO3 (%) ≤2.02.02.02.0Water Insoluble (%) ≤0.20.20.20.2Fe (%) ≤0.0150.020.0250.03 Table 2 Spec150PPM200PPM250PPM300PPMNa2S (%) ≥52.052.052.052.0Na2CO3 (%) ≤2.02.02.02.0Water Insoluble (%) ≤0.20.20.20.2Fe (%) ≤0.0150.020.0250.03